diff --git a/docs/machine/mdm.md b/docs/machine/mdm.md
index 92ba571..0b1c70d 100644
--- a/docs/machine/mdm.md
+++ b/docs/machine/mdm.md
@@ -140,7 +140,13 @@ Minutes written by {{Felix}}
     * **Operation** by {{Felix}}
         * Summary of Machine Activities since last MDM
             * BDK, diodes, repair ongoing, now lower peak current
-            * First instabiltiy or RF issue dump
+            * First instabiltiy or RF issue dump during beamline development
+                * [OP post mortem elog](https://elog-gfa.psi.ch/SLS/65531)
+                * [RF post mortem elog](https://elog-gfa.psi.ch/SLS/65531)
+                * [BPM post mortem data](https://elog-gfa.psi.ch/SLS/65534)
+            * Post mortem Cerenkov fiber on beam dump also good diagnostic for instabilities, e.g., 
+                * [1](https://elog-gfa.psi.ch/SLS/260901_134951/20260901_134846_BeamDumpLPD64.png)
+                * [2](https://elog-gfa.psi.ch/SLS/260901_133433/20260901_133329_BeamDumpLPD64.png)
             * Beamlines forgetting to open IDs when closing their shutter, e.g., [elog](https://elog-gfa.psi.ch/SLS/65672)
                 * Shutter-Interlock feature for automatically opening the ID when the shutter is closed for more than 15 minutes in preparation
             * Beamlines complaining about pointing changing with gap